Nervous distribution of upper limb Flashcards
Number of nerve roots in brachial plexus
5
Number of trunks in brachial plexus
3
Number of divisions in brachial plexus
2x3
Number of cords in brachial plexus
3
Number of terminal divisions in brachial plexus
5
Order of nerves in brachial plexus
Roots, trunks, divisions, cords, branches
Spinal segments supplying upper trunk
C5, C6
Spinal segments supplying middle trunk
C7
Spinal segments supplying lower trunk
C8, T1
Divisions of trunks
Upper, middle, lower
Divisions of brachial plexus
Anterior, posterior
Cords of brachial plexus
Medial cord, lateral cord, posterior cord
Divisions supplying medial cord
Lower anterior division
Divisions supplying lateral cord
Upper, middle anterior division
Divisions supplying posterior cord
All 3 posterior parts of posterior division